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It is a little bit disturbing: a Krauss (with double s or with german "sharp" s "ß") cannot be found in the Witter book. And the only Kraus or Krauss in Stuttgart is this Emil Kraus one, written with one s.

It is listed as Ernst Krauss in the Pierce Piano Atlas. However, there is another Ernst Krauss listed as being in Berlin, so that might be a typo.

In the end, what difference does it make? It is an old upright.

Thank you for your comment but I opened this thread in order to find some more information and manufacture year about this Piano. I have mentioned it is lovely and beautiful as the most (if not all) of the old uprights are.

Cornelius, it seems like the piano site you refer is a Piano shop, which currently does not have any Pianos like that available for sale.

As Witter Bible refers only the existence of Emil Krauss Stuttgart company, this must be what I am searching for unless its database is not 100% complete and in this rare case I assume it deserves to find out more information for this 1xx years old Piano.

Bible?? None of the piano atlases around can be considered gospel - they all have many omissions and inaccuracies. The Pierce is especially unreliable, in my experience. The best and definitive atlas for German pianos today is by Jan Grossbach. It lists the same information that Bernd has provided.

Not only that, nobody has the real information on these pianos, like whether the parts were shopped out or made in-house. The case that you admire so much may be a combination of design details from various shops that were put together to make this piano.

Just the other day, I was tuning an old upright that should have been junked years ago, and noticing that the name of the manufacturer cast into the plate was not actually cast into the entire plate, but just a useless piece of metal bolted over the real plate. But then, you see other pianos with a standard plate in them where they just changed the letters on the pattern. Occasionally you see one where they forgot to change the letters, and a plate marked for one company shows up in a piano labeled by a non-related company.

About the only information that can have a bearing on a piano these days is the age, and that can be divided into just a few relevant eras: ancient history, modern (post 1880) to WWI, WWI to WWII, WWII to the coming of the Japanese pianos (roughly 1965), the demise of the US piano industry, and the coming of the rest of the Asians. The exact year does not matter as much as which of those eras it is in. Within each of those eras, the condition and quality of the piano matters more than the exact age.

About the only information that can have a bearing on a piano these days is the age, and that can be divided into just a few relevant eras: ancient history, modern (post 1880) to WWI, WWI to WWII, WWII to the coming of the Japanese pianos (roughly 1965), the demise of the US piano industry, and the coming of the rest of the Asians. The exact year does not matter as much as which of those eras it is in. Within each of those eras, the condition and quality of the piano matters more than the exact age.

Is it possible to search any particular places, inside or behind the Piano, which may provide more info about it, other than the type of the mechanism ?